| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 %s -emit-llvm -o - | FileCheck %s |
| |
| struct Member { int x; Member(); Member(int); Member(const Member &); }; |
| struct VBase { int x; VBase(); VBase(int); VBase(const VBase &); }; |
| |
| struct ValueClass { |
| ValueClass(int x, int y) : x(x), y(y) {} |
| int x; |
| int y; |
| }; // subject to ABI trickery |
| |
| |
| |
| /* Test basic functionality. */ |
| struct A { |
| A(struct Undeclared &); |
| A(ValueClass); |
| Member mem; |
| }; |
| |
| A::A(struct Undeclared &ref) : mem(0) {} |
| |
| // Check that delegation works. |
| // CHECK-LABEL: define void @_ZN1AC1ER10Undeclared(%struct.A* %this, %struct.Undeclared* %ref) unnamed_addr |
| // CHECK: call void @_ZN1AC2ER10Undeclared( |
| |
| // CHECK-LABEL: define void @_ZN1AC2ER10Undeclared(%struct.A* %this, %struct.Undeclared* %ref) unnamed_addr |
| // CHECK: call void @_ZN6MemberC1Ei( |
| |
| A::A(ValueClass v) : mem(v.y - v.x) {} |
| |
| // CHECK-LABEL: define void @_ZN1AC1E10ValueClass(%struct.A* %this, i64 %v.coerce) unnamed_addr |
| // CHECK: call void @_ZN1AC2E10ValueClass( |
| |
| // CHECK-LABEL: define void @_ZN1AC2E10ValueClass(%struct.A* %this, i64 %v.coerce) unnamed_addr |
| // CHECK: call void @_ZN6MemberC1Ei( |
| |
| |
| /* Test that things work for inheritance. */ |
| struct B : A { |
| B(struct Undeclared &); |
| Member mem; |
| }; |
| |
| B::B(struct Undeclared &ref) : A(ref), mem(1) {} |
| |
| // CHECK-LABEL: define void @_ZN1BC1ER10Undeclared(%struct.B* %this, %struct.Undeclared* %ref) unnamed_addr |
| // CHECK: call void @_ZN1BC2ER10Undeclared( |
| |
| // CHECK-LABEL: define void @_ZN1BC2ER10Undeclared(%struct.B* %this, %struct.Undeclared* %ref) unnamed_addr |
| // CHECK: call void @_ZN1AC2ER10Undeclared( |
| // CHECK: call void @_ZN6MemberC1Ei( |
| |
| |
| |
| /* Test that the delegation optimization is disabled for classes with |
| virtual bases (for now). This is necessary because a vbase |
| initializer could access one of the parameter variables by |
| reference. That's a solvable problem, but let's not solve it right |
| now. */ |
| struct C : virtual A { |
| C(int); |
| Member mem; |
| }; |
| C::C(int x) : A(ValueClass(x, x+1)), mem(x * x) {} |
| |
| // CHECK-LABEL: define void @_ZN1CC1Ei(%struct.C* %this, i32 %x) unnamed_addr |
| // CHECK: call void @_ZN10ValueClassC1Eii( |
| // CHECK: call void @_ZN1AC2E10ValueClass( |
| // CHECK: call void @_ZN6MemberC1Ei( |
| |
| // CHECK-LABEL: define void @_ZN1CC2Ei(%struct.C* %this, i8** %vtt, i32 %x) unnamed_addr |
| // CHECK: call void @_ZN6MemberC1Ei( |
| |
| |
| |
| /* Test that the delegation optimization is disabled for varargs |
| constructors. */ |
| struct D : A { |
| D(int, ...); |
| Member mem; |
| }; |
| |
| D::D(int x, ...) : A(ValueClass(x, x+1)), mem(x*x) {} |
| |
| // CHECK-LABEL: define void @_ZN1DC1Eiz(%struct.D* %this, i32 %x, ...) unnamed_addr |
| // CHECK: call void @_ZN10ValueClassC1Eii( |
| // CHECK: call void @_ZN1AC2E10ValueClass( |
| // CHECK: call void @_ZN6MemberC1Ei( |
| |
| // CHECK-LABEL: define void @_ZN1DC2Eiz(%struct.D* %this, i32 %x, ...) unnamed_addr |
| // CHECK: call void @_ZN10ValueClassC1Eii( |
| // CHECK: call void @_ZN1AC2E10ValueClass( |
| // CHECK: call void @_ZN6MemberC1Ei( |
| |
| |
| // PR6622: this shouldn't crash |
| namespace test0 { |
| struct A {}; |
| struct B : virtual A { int x; }; |
| struct C : B {}; |
| |
| void test(C &in) { |
| C tmp = in; |
| } |
| } |
| |
| namespace test1 { |
| struct A { A(); void *ptr; }; |
| struct B { B(); int x; A a[0]; }; |
| B::B() {} |
| // CHECK-LABEL: define void @_ZN5test11BC2Ev( |
| // CHECK: [[THIS:%.*]] = load [[B:%.*]]** |
| // CHECK-NEXT: ret void |
| } |